1 files changed, 15 insertions, 0 deletions
diff --git a/tests/assert.sh b/tests/assert.sh
index ba73f41..73b5dd4 100644
--- a/tests/assert.sh
+++ b/tests/assert.sh
@@ -17,3 +17,18 @@ function assert_error()
         exit 1
     fi
 }
+
+function assert_success()
+{
+    actual_stderr="$("$@" 2>&1 1>/dev/null)"
+    retval=$?
+
+    if [ $retval -ne 0 ]; then
+        echo "assert_error: Return value is $retval, expected 0"
+        exit 1
+    elif [ -n "$actual_stderr" ]; then
+        echo "assert_error: stderr is not empty"
+        echo "      actual: $actual_stderr"
+        exit 1
+    fi
+}